The A/D bits exist entirely for the operating system's benefit. The Accessed bit tells the OS which pages have been recently used, enabling page replacement algorithms to choose pages to evict when memory runs low. The Dirty bit tells the OS which pages have been modified and must be written back to disk before eviction; clean pages can simply be discarded and re-read from disk later.
code before using it in a production environment. It is important to use the
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FT Edit: Access on iOS and web
除机器人之外，AI硬件与视听娱乐是创新科技展区的另一条重要主线，探索AI如何以更自然、更直观、更具沉浸感的方式，重塑人与技术之间的交互关系。